55011124 has 36 divisors (see below), whose sum is σ = 116865504. Its totient is φ = 22549296.

The previous prime is 55011109. The next prime is 55011127. The reversal of 55011124 is 42111055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594 + ... + 10609.

It is an arithmetic number, because the mean of its divisors is an integer number (3246264).

Almost surely, 2^55011124 is an apocalyptic number.

It is an amenable number.

55011124 is an abundant number, since it is smaller than the sum of its proper divisors (61854380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55011124 is a wasteful number, since it uses less digits than its factorization.

55011124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12244 (or 12235 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 55011124 is about 7416.9484291048. The cubic root of 55011124 is about 380.3208831619.

Adding to 55011124 its reverse (42111055), we get a palindrome (97122179).

The spelling of 55011124 in words is "fifty-five million, eleven thousand, one hundred twenty-four".